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📏 Cubic feet per minute to US gallons per minute Converter

Convert cubic feet per minute (cfm) to us gallons per minute (gpm) instantly, with the formula, a worked example and a conversion table.

Quick answer: 1 cubic foot per minute (cfm) = 7.4805195 us gallons per minute (gpm). Formula: gpm = cfm × 7.4805195.

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Cubic feet per minute to US gallons per minute Converter inputs

Result

1 cfm =

7.4805195 gpm

gpm = cfm × 7.4805195

1 cubic foot per minute = 7.4805195 gpm · gpm to cfm

Cubic feet per minute to US gallons per minute conversion table

Cubic feet per minute (cfm)US gallons per minute (gpm)
0.1 cfm0.74805195 gpm
0.5 cfm3.7402597 gpm
1 cfm7.4805195 gpm
2 cfm14.961039 gpm
3 cfm22.441558 gpm
5 cfm37.402597 gpm
10 cfm74.805195 gpm
20 cfm149.61039 gpm
25 cfm187.01299 gpm
50 cfm374.02597 gpm
100 cfm748.05195 gpm
1,000 cfm7,480.5195 gpm

Other flow rate conversions

cfm to L/scfm to L/mincfm to m³/hcfm to gpmcfm to UK gpm

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How to convert cubic feet per minute to us gallons per minute

Multiply the number of cubic feet per minute by 7.4805195 to get us gallons per minute: gpm = cfm × 7.4805195.

Example: 5 cfm = 37.402597 gpm.

The cubic foot per minute (cfm) and the us gallon per minute (gpm) are both units of flow rate. Need the opposite direction? Use the gpm to cfm converter.

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Metric and imperial units

The metric system (SI) is used by almost every country and by science worldwide. Its units scale by powers of ten – 1 kilometer is 1,000 meters, 1 meter is 100 centimeters – which makes conversions inside the system easy. The imperial and US customary systems (inches, feet, pounds, gallons) are still used daily in the United States and partly in the UK.

Since 1959 the inch has been defined as exactly 2.54 centimeters and the pound as exactly 0.45359237 kilograms, so conversions between the two systems are exact. Note that a US gallon (3.785 L) and an imperial gallon (4.546 L) are different – choose the right one above.

This converter covers 18 categories and 106 units: length, weight, temperature, volume, area, speed, time, data, energy, pressure, power, angle, force, torque, frequency, flow rate, illuminance, density.

Frequently asked questions

How many us gallons per minute are in a cubic foot per minute?

1 cubic foot per minute = 7.4805195 us gallons per minute.

How do I convert cubic feet per minute to us gallons per minute?

Use the formula gpm = cfm × 7.4805195. For example, 5 cfm = 37.402597 gpm.

How do I convert us gallons per minute back to cubic feet per minute?

1 us gallon per minute = 0.13368056 cubic feet per minute. Use the gpm to cfm converter linked on this page.

Are these conversions exact?

Yes – all factors use the internationally defined values (for example 1 inch = 2.54 cm exactly, 1 pound = 0.45359237 kg exactly). Results are rounded to 8 significant digits for display.